In thermal management, compared between the copper and gold?

In thermal management, compared between the copper and gold? Which material is much used in semiconductor and electronic industrial?

31 December 2017 1,791 1 View

How big is a photon?What are its dimensions?

Now i'm researching the size of photon....The silicon atoms size typical is 1.2 angstrom. is it possible can replaced the hardware by transfer current within transistor using photon instead of...

09 October 2016 8,535 3 View

What is the meaning of bipolar and uni-polar in term of BJT and FET?

06 July 2016 6,359 5 View

What is the actually meant of the tunneling effect in semiconductor?

what is the related term?

06 July 2016 5,823 1 View

Why and how to prove "e^(-j*2pi*k)" equal to 1?

05 June 2016 2,656 5 View

What is about the Green's Theorem in vector calculus?

In mathematically, I just only know green theorem only apply on close curve in anticlockwise direction and 2D fact. Thus, I would like to understand more about this..

05 June 2016 2,664 3 View

Why NMOS technology is preferred more than PMOS technology?

In general, this is NMOS technology hold the majority carrier of electron which have mobility of 1400cm^2/V-s, compare with the PMOS's majority carrier of hole mobility which is 450cm^2/V-s only,...

05 June 2016 5,849 8 View

Why the electrical current can injure and cause the human/living thing dead?

As i think deeply, when the body is connecting to the electrical source/conducting material that conduct the electrical current, is it the electron charge flow into the human body and kill/burn...

05 June 2016 144 6 View

With own word, what is Fermi Level actually? How to derive it?

it can only use on energy band to determine the type of semiconductor belongs? For example the concentration of electron more than hole, the fermi level will be close with conduction band.....

05 June 2016 8,635 2 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Irradiation data for JAPAN?

Hi, Could you help me to get the latest (2019, 2020) solar resource data for a particular site in JAPAN? PV GIS and NSRDB data are not in reach to JAPAN, I'm looking for some other database for...

03 March 2021 961 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View